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Discussion Starter · #1 ·
Hey everyone with a pro x 600, I have found the best combination for clutching and gearing. After R & D with numerous combinations I found this combination to work the best for a 121 x 1.25 track w/ 96 studs. put in a 165/310 titanium primary spring, a 140/240 titanium secondary spring. Have a 24/41 gear ratio, use a 64-42.46 helix. I ran 420 jetts on a 35 degree day (which is kinda fat) and consistantly ran over 100mph on the speedometer. Before I did this combination I could barely get my sled to run in the 90 mph range. My dad is running the same combination on his 04 prox2 600 and we are dead even across the lake.
 

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Registered
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19 Posts
Discussion Starter · #2 ·
Hey everyone with a pro x 600, I have found the best combination for clutching and gearing. After R & D with numerous combinations I found this combination to work the best for a 121 x 1.25 track w/ 96 studs. put in a 165/310 titanium primary spring, a 140/240 titanium secondary spring. Have a 24/41 gear ratio, use a 64-42.46 helix. I ran 420 jetts on a 35 degree day (which is kinda fat) and consistantly ran over 100mph on the speedometer. Before I did this combination I could barely get my sled to run in the 90 mph range. My dad is running the same combination on his 04 prox2 600 and we are dead even across the lake.[/b]
I forgot to say that I ran 10-62 weights in my clutch.
 
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